. >> and i'm maureen gentzler. the tour bus fell 45 feet over the side of a hill on interstate 270. one person was killed in the crash, several others re trapped, and 270 was closed for five hours, clogging the evening rush hour way into virginia. >> this is a look at the crash site from chper 4 tonight. interstate 270 north reopened about 90 minutes ago. traffic now is finally getting back to normal. jack bensen is at suburban hospital where family members are arriving to be with the injured. we're with craig where it was just a news conference. craig? >> reporter: we'll get to that news komps conference in a secot everybody on the scene said it was horrifying to see the bus on that embankment the. they're going to be working with the marynd state police hand lipg the investigation, and they told me a short time ago that it could be some time before we know what happened. >> it was just before 4:00 that the bus fell over the flyover. >> i think it just slipped over there. >> moments later, other people who had pulled over started screaming. >> those are the kids, those are the kids